22845222 has 12 divisors (see below), whose sum is σ = 49498020. Its totient is φ = 7615068.

The previous prime is 22845209. The next prime is 22845223. The reversal of 22845222 is 22254822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22845223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634572 + ... + 634607.

It is an arithmetic number, because the mean of its divisors is an integer number (4124835).

Almost surely, 2^22845222 is an apocalyptic number.

22845222 is an abundant number, since it is smaller than the sum of its proper divisors (26652798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22845222 is a wasteful number, since it uses less digits than its factorization.

22845222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269187 (or 1269184 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 22845222 is about 4779.6675616616. The cubic root of 22845222 is about 283.7473369438.

The spelling of 22845222 in words is "twenty-two million, eight hundred forty-five thousand, two hundred twenty-two".